1178987040 has 720 divisors, whose sum is σ = 5285419776. Its totient is φ = 237081600.

The previous prime is 1178987023. The next prime is 1178987053. The reversal of 1178987040 is 407898711.

1178987040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 38031825 + ... + 38031855.

Almost surely, 2^1178987040 is an apocalyptic number.

1178987040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178987040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642709888).

1178987040 is an abundant number, since it is smaller than the sum of its proper divisors (4106432736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1178987040 is a wasteful number, since it uses less digits than its factorization.

1178987040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 1178987040 is about 34336.3807061839. The cubic root of 1178987040 is about 1056.4193410320.

The spelling of 1178987040 in words is "one billion, one hundred seventy-eight million, nine hundred eighty-seven thousand, forty".